20100001101212 has 24 divisors (see below), whose sum is σ = 35700431353104. Its totient is φ = 9899881466112.

The previous prime is 20100001101203. The next prime is 20100001101227. The reversal of 20100001101212 is 21210110000102.

It is a super-2 number, since 2×20100001101212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100001101193 and 20100001101202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24427358 + ... + 25236794.

It is an arithmetic number, because the mean of its divisors is an integer number (1487517973046).

Almost surely, 2^{20100001101212} is an apocalyptic number.

It is an amenable number.

20100001101212 is a deficient number, since it is larger than the sum of its proper divisors (15600430251892).

20100001101212 is a wasteful number, since it uses less digits than its factorization.

20100001101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902165 (or 902163 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20100001101212 its reverse (21210110000102), we get a palindrome (41310111101314).

The spelling of 20100001101212 in words is "twenty trillion, one hundred billion, one million, one hundred one thousand, two hundred twelve".